Wireless communication method and device for blind detection of downlink signals
摘要
說明書
If the terminal device can correctly receive and demodulate the preamble signal, it indicates that the preamble signal is successful detected.
Alternatively, at block 1020, the downlink signal is further received on the carrier from a first time-point.
In the embodiments of the present disclosure, a symbol used for transmitting the preamble signal may be referred to as a preamble signal symbol.
Actual transmission of the preamble signal may not necessarily use a whole symbol, but a part of the symbol can be used to transmit the preamble signal.
For example, given that the preamble signal is transmitted on two preamble signal symbols, but an actual duration for transmitting the preamble signal may be only a length of 1.5 preamble signal symbols. That is, for one symbol, only half thereof is used.
There are many ways to determine the first time-point. As an example, the first time-point may be a time-point in a set of candidate time-points. For example, multiple candidate time-points may be pre-set in a time-length, and one candidate time-point among the multiple candidate time-points may be used as the first time-point. A time-interval between any two adjacent candidate time-points of the candidate time-points may be equal, increased, or decreased, which is not specifically limited in the embodiments of the present disclosure.
As another example, the first time-point may be any time-point in the preamble signal symbol.
As another example, the first time-point may be a time-point determined according to a format of preamble signal symbol.
